Need -19º stock ecu evo VIII 2004 USDM
Mar 28, 2011, 06:39 AM
#1
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Need -19º stock ecu evo VIII 2004 USDM
Hi I need help, and I tried everything, tephra 5.1, 7, timing retard, and not get my timing down to -10 º I need someone to help me. My USDM Evo VIII is a 2004, stock ecu ide 9417008.
I can pay dollars or euros, to transfer to one to help me I live in Spain
Help please. If you can not do this let me know too please.
I can pay dollars or euros, to transfer to one to help me I live in Spain
Help please. If you can not do this let me know too please.
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Mar 28, 2011, 07:22 PM
#9
Setting the value to:
220 allows -15°
237 allows -18°
255 allows -22°
Also from mrfred awhile back:
I've been sniffing around the subroutine that sets the ignition retard limit, and it appears that in the newer ROMs, there are two ignition retard limit tables that are used for two different operating conditions. Not sure yet on what conditions these are, but here are the two tables for the 8859XX15 and the 9653XX06. They may both need to be set more neg for ignition to retard further under all conditions. Note that the max possible neg value is about -28 deg. Should be easy for people running newer JDM, EDM, and ADM ROMs to find the additional table by comparing the offset between the two addresses.
8859XX15:
<scaling name="IgnTimingECUa" units="deg" toexpr="61-x*90/256" frexpr="(61-x)*256/90" format="%.1f" min="-30" max="50" inc="1" storagetype="uint16" endian="big"/>
<table name="Ignition Retard Limit #1" category="Timing" address="205e" type="1D" level="1" scaling="IgnTimingECUa"/>
<table name="Ignition Retard Limit #2" category="Timing" address="133e" type="1D" level="1" scaling="IgnTimingECUa"/>
9653XX06:
<scaling name="IgnTimingECUa" units="deg" toexpr="61-x*90/256" frexpr="(61-x)*256/90" format="%.1f" min="-30" max="50" inc="1" storagetype="uint16" endian="big"/>
<table name="Ignition Retard Limit #1" category="Timing" address="2438" type="1D" level="1" scaling="IgnTimingECUa"/>
<table name="Ignition Retard Limit #2" category="Timing" address="173e" type="1D" level="1" scaling="IgnTimingECUa"/>
88570008-88570014, 88580013-88580015, 88840016, 88900006
<scaling name="IgnTimingECUa" units="deg" toexpr="61-x*90/256" frexpr="(61-x)*256/90" format="%.1f" min="-30" max="50" inc="1" storagetype="uint16" endian="big"/>
<table name="Ignition Retard Limit #1" category="Timing" address="2038" type="1D" level="1" scaling="IgnTimingECUa"/>
<table name="Ignition Retard Limit #2" category="Timing" address="133e" type="1D" level="1" scaling="IgnTimingECUa"/>
9417XXXX has only one ignition retard limit table:
<scaling name="IgnTimingECUa" units="deg" toexpr="61-x*90/256" frexpr="(61-x)*256/90" format="%.1f" min="-30" max="50" inc="1" storagetype="uint16" endian="big"/>
<table name="Ignition Retard Limit #2" category="Timing" address="173e" type="1D" level="1" scaling="IgnTimingECUa"/>
8859XX15:
<scaling name="IgnTimingECUa" units="deg" toexpr="61-x*90/256" frexpr="(61-x)*256/90" format="%.1f" min="-30" max="50" inc="1" storagetype="uint16" endian="big"/>
<table name="Ignition Retard Limit #1" category="Timing" address="205e" type="1D" level="1" scaling="IgnTimingECUa"/>
<table name="Ignition Retard Limit #2" category="Timing" address="133e" type="1D" level="1" scaling="IgnTimingECUa"/>
9653XX06:
<scaling name="IgnTimingECUa" units="deg" toexpr="61-x*90/256" frexpr="(61-x)*256/90" format="%.1f" min="-30" max="50" inc="1" storagetype="uint16" endian="big"/>
<table name="Ignition Retard Limit #1" category="Timing" address="2438" type="1D" level="1" scaling="IgnTimingECUa"/>
<table name="Ignition Retard Limit #2" category="Timing" address="173e" type="1D" level="1" scaling="IgnTimingECUa"/>
88570008-88570014, 88580013-88580015, 88840016, 88900006
<scaling name="IgnTimingECUa" units="deg" toexpr="61-x*90/256" frexpr="(61-x)*256/90" format="%.1f" min="-30" max="50" inc="1" storagetype="uint16" endian="big"/>
<table name="Ignition Retard Limit #1" category="Timing" address="2038" type="1D" level="1" scaling="IgnTimingECUa"/>
<table name="Ignition Retard Limit #2" category="Timing" address="133e" type="1D" level="1" scaling="IgnTimingECUa"/>
9417XXXX has only one ignition retard limit table:
<scaling name="IgnTimingECUa" units="deg" toexpr="61-x*90/256" frexpr="(61-x)*256/90" format="%.1f" min="-30" max="50" inc="1" storagetype="uint16" endian="big"/>
<table name="Ignition Retard Limit #2" category="Timing" address="173e" type="1D" level="1" scaling="IgnTimingECUa"/>
Last edited by razorlab; Mar 28, 2011 at 07:32 PM.
Mar 28, 2011, 11:54 PM
#11
Also verified that the 173e in 94170015 doesnt go past -10. I added the following addresses and settings as I would in the IX-
0x173f
0x4300 (decel ignition cut limit)
Then I altered the EGR timing table and nothing. Unless I am having a super blonde moment, there is something else we dont have for the USDM stuff. It works in the IXs, havent been able to get any VIIIs to work.
0x173f
0x4300 (decel ignition cut limit)
Then I altered the EGR timing table and nothing. Unless I am having a super blonde moment, there is something else we dont have for the USDM stuff. It works in the IXs, havent been able to get any VIIIs to work.
Mar 29, 2011, 04:59 AM
#13
Evolved Member
Can't get my JDM 7 to go past -10 either.
This is whats defined in my 9055 XML.
This is whats defined in my 9055 XML.
table name="Ignition Retard Max Degrees - dec" category="Timing" address="173e" type="1D" scaling="Retarduint16"/>
<table name="Ignition Retard Max Degrees - hex" category="Timing" address="173f" type="1D" scaling="RetardHex8"/>
<table name="Ignition Retard Max Degrees - hex" category="Timing" address="173f" type="1D" scaling="RetardHex8"/>
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